according to a human modeling project, the distribution of foot lengths of 16- to 17-year-old boys is approximately normal with a mean of centimeters and a standard deviation of centimeters. in the united states, a man's size shoe fits a foot that is centimeters long. what percentage of boys of this age group will wear a size shoe or larger?

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.